제출 #484121

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
484121		Valera_Grinenko	Job Scheduling (CEOI12_jobs)	C++17	16 / 100	1095 ms	29720 KiB

jobs

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#include <ctime>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// template<class T>
// using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int main() {

  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

  int n, d, m;

  cin >> n >> d >> m;

  vector<pair<int, int> > req(m);

  for(int i = 0; i < m; i++) {
    cin >> req[i].fi; req[i].se = i + 1;
  }

  sort(all(req));

  int l = 0, r = m;

  while(l < r) {
    int mb = (l + r) / 2;
    map<int, vector<int> > ans;
    int left = m, cpos = 0, cday = 0, av = 0;
    vector<int> avreq;
    while(left) {
      cday++; av = mb;
      while(cpos < m && req[cpos].fi <= cday) {
        avreq.pb(req[cpos].se);
        cpos++;
      }
      while(av && !avreq.empty()) {
        av--;
        ans[cday].pb(avreq.back());
        avreq.pop_back();
        left--;
      }
    }
    if(cday > n) l = mb + 1;
    else r = mb;
  }

  map<int, vector<int> > ans;

  int left = m, cpos = 0, cday = 0, av = 0;

  vector<int> avreq;

  while(left) {
    cday++; av = l;
    while(cpos < m && req[cpos].fi <= cday) {
      avreq.pb(req[cpos].se);
      cpos++;
    }
    while(av && !avreq.empty()) {
      av--;
      ans[cday].pb(avreq.back());
      avreq.pop_back();
      left--;
    }
  }

  cout << l << '\n';

  for(int i = 1; i <= n; i++) {
    for(auto& x : ans[i]) cout << x << ' ';
    cout << "0\n";
  }

  return 0;
}
/*

*/

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      |

• Subtask 1: 16 / 100